US20120060377A1 - Garden shears - Google Patents
Garden shears Download PDFInfo
- Publication number
- US20120060377A1 US20120060377A1 US12/882,199 US88219910A US2012060377A1 US 20120060377 A1 US20120060377 A1 US 20120060377A1 US 88219910 A US88219910 A US 88219910A US 2012060377 A1 US2012060377 A1 US 2012060377A1
- Authority
- US
- United States
- Prior art keywords
- pivot
- minor cutting
- members
- major
- assembling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B13/00—Hand shears; Scissors
- B26B13/26—Hand shears; Scissors with intermediate links between the grips and the blades, e.g. for remote actuation
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/02—Secateurs; Flower or fruit shears
- A01G3/025—Secateurs; Flower or fruit shears having elongated or extended handles
- A01G3/0251—Loppers, i.e. branch cutters with two handles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/02—Secateurs; Flower or fruit shears
- A01G3/021—Secateurs; Flower or fruit shears characterized by the arrangement of pivots
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Scissors And Nippers (AREA)
Abstract
A garden shears has a main cutting member, a minor cutting member, two applying arms, and two assembling members. The major and minor cutting members both have a first pivot aperture and an extended section. An end of each extended section is bent up to form an L-shaped pawl forming a first indentation; an arced limiting slot is adjacent to each first pivot, and a tool end is respectively formed at an opposite end of the major and minor cutting members. Each applying arm has a handle and an assembling portion, each assembling portion having a second pivot aperture and a second indentation. A top edge of each second indentation has driving teeth that respectively engage with the L-shaped pawls of the major and minor cutting members. Each assembling member has a third pivot aperture and two fourth pivot apertures corresponding to the first pivot apertures and the second pivot apertures.
Description
- 1. Field of the Invention
- The present invention relates to garden shears, and more particularly to a garden shears that is capable of limiting a maximum opening range and that requires less operational strength.
- 2. Description of the Related Art
- More and more people enjoy having plants in their living environment; therefore, garden tools are becoming increasingly popular. Garden shears are used for trimming plants. Please refer to
FIG. 8 . A prior art garden shears has ametal lever 60, afirst member 70 and asecond member 80. Themetal lever 60 has afirst pivot joint 61, ablade 62 and anarm 63 having asecond pivot joint 64. Thesecond pivot joint 64 and thefirst pivot joint 61 are separated from each other by a predetermined distance. Thefirst member 70 is pivoted onto thefirst pivot joint 61 and connected to the metal bar lever. Thefirst member 70 further has an extendedjaw 71 coupled with theblade 62 and is able to cut an object placed in a space formed by the extendedjaw 71. Thefirst member 70 further has an extendedarm 72 and a first fan-shaped gear 73 disposed between the extendedjaw 71 and the extendedarm 72. Thesecond member 80 has an extendingportion 81 and a second fan-shaped gear 82. Thesecond member 80 is pivoted onto thesecond pivot joint 64 and connected to themetal lever 60 such that the first and second fan-shaped gears - However, the prior art structure has the following drawbacks: 1. The
first member 70 and thesecond member 80 are both disposed on the same side of themetal lever 60; when the cutting motion is performed and a counterforce is generated, the counterforce is concentrated at the engaging area of thefirst member 70 and thesecond member 80 and is not evenly dispersed over both sides; therefore, the cutting motion is affected by the unbalanced stresses and is made more difficult. 2. Thefirst member 70 and thesecond member 80 are simply pivoted together and are unable to restrict each other. Therefore, when the first andsecond members second members blade 62 requires a proper cutting angle between the object. Furthermore, when the first andsecond members - Therefore, it is desirable to provide an improved garden shears to mitigate and/or obviate the aforementioned problems.
- An objective of the present invention is to provide an improved reflective structure.
- Another objective of the present invention is to provide an improved reflective structure that is relatively thinner and capable of covering the entire object surface for better reflection effects.
- Another objective of the present invention is to provide an improved reflective structure that can improve the safety of the bicycle for riders at night.
- In order to achieve the above-mentioned objectives, a garden shears comprises a main cutting member, a minor cutting member, two applying arms, and the two assembling members, all of which are assembled together by at least one nut and screw. The main cutting member and the minor cutting member have corresponding shapes and may overlap each other, and the major and minor cutting members both have a first pivot aperture at a middle position and an extended section. An end of each extended sections is bent up to form an L-shaped pawl forming a first indentation. An arced limiting slot adjacent to each first pivot aperture is respectively formed above the extended section, and a tool end is respectively formed at an opposite end of the major and minor cutting members. Moreover, the tool ends can be an anvil and a blade or both can be anvils. Each applying arm has a handle at a lower portion and an assembling portion at un upper portion; each assembling portion has a second pivot aperture at one end and a second indentation at another end, and a top edge of each of the second indentations has driving teeth for engaging with the L-shaped pawl of the major and minor cutting members. Each assembling member has a third pivot aperture and two fourth pivot apertures corresponding to the first pivot apertures of the major and minor cutting members and the second pivot apertures of the applying arms. The third pivot aperture and the two fourth pivot apertures of the assembling members are arranged in a triangular shape, and one of the third pivot apertures of an assembling member is an oval-shaped aperture, which is capable of accepting an engaging portion of the screw. Therefore, when the major and minor cutting members are opened apart from each other, engaging portion of the screw prevents the screw from disengaging.
- With the above-mentioned garden shears, the following benefits can be obtained: 1. The major and minor cutting members both respectively have an applying arm; when a counterforce is generated because of the applied force, the counterforce is evenly distributed across the applying arm instead of being concentrated on a single side, which would otherwise create difficulties in operation. 2. Since the screws move along the limiting slots a maximum opening angle between the tool ends is limited; the user does need to waste time to close the tool ends. Furthermore, the range of the limiting slots corresponds to the usable range of the garden shears, so that the tool ends are not separated by too narrow an angle, which would otherwise lead to difficulties in operation. 3. Each of the major and minor cutting members is engaged with one applying arm, such that it is easy to operate and the application force is evenly distributed on both sides.
- Other objects, advantages, and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
-
FIG. 1 is a perspective view of an embodiment of the present invention. -
FIG. 2 is a partial exploded view of an embodiment of the present invention. -
FIG. 3 is a perspective exploded view of an embodiment of the present invention. -
FIG. 4 is a schematic drawing of an embodiment of the present invention. -
FIG. 5 is a schematic drawing showing tool ends being opened. -
FIG. 6 is a schematic drawing showing tool ends being opened to a maximum range. -
FIG. 7 is a schematic drawing of another embodiment of the present invention. -
FIG. 8 is a schematic drawing of a prior art shears. -
FIG. 9 is a usage schematic drawing of the prior art. - Please refer to
FIG. 1 ,FIG. 2 andFIG. 3 . A shears comprises amain cutting member 10, aminor cutting member 20, two applyingarms 30, and the two assemblingmembers 40, all of which are assembled together by at least onenut 51 andscrew 50. Themain cutting member 10 and theminor cutting member 20 have corresponding shapes and may overlap each other, and the major and minor cutting members both have afirst pivot aperture section extended sections shaped pawl first indentation slot first pivot aperture section tool end minor cutting members arm 30 has ahandle 31 at a lower portion and an assemblingportion 32 at un upper portion; each assemblingportion 32 has asecond pivot aperture 33 at one end and asecond indentation 34 at another end, and a top edge of each of thesecond indentations 34 has drivingteeth 35 for engaging with the L-shaped pawl minor cutting members member 40 has athird pivot aperture 41 and twofourth pivot apertures 42 corresponding to thefirst pivot apertures minor cutting members second pivot apertures 33 of the applyingarms 30. Thethird pivot aperture 41 and the two fourth pivot apertures 42 of the assemblingmembers 40 are arranged in a triangular shape, and one of thethird pivot apertures 41 of an assemblingmember 40 is an oval-shaped aperture, which is capable of accepting anengaging portion 501 of thescrew 50. Therefore, when the major andminor cutting members portion 501 of thescrew 50 prevents thescrew 50 from disengaging. - Furthermore, please refer
FIG. 1 ,FIG. 2 andFIG. 4 . Thefirst pivot apertures member 10 and theminor cutting member 20 are aligned with each other and with thesecond indentations 34 of the two applyingarms 30. The two assemblingportions 32 are respectively placed in thefirst indentations minor cutting members teeth 35 are respectively engaged with the L-shapedpawls 23 of the major andminor cutting members second pivot apertures 33 of the two applyingarms 30 are respectively aligned with the limitingslots minor cutting members third pivot apertures 41 of the two assemblingmembers 40 are aligned with thefirst pivot apertures minor cutting members members 40 cover the applyingarms 30 and the major andminor cutting members screw 50 passes through thethird pivot aperture 41 of each of the two assemblingmembers 40, and through thefirst pivot apertures minor cutting members screws 50 respectively pass through thefourth pivot apertures 42 of the assemblingmembers 40, the limitingslots minor cutting members second pivot apertures 33 of the applyingarms 30 and are respectively locked by two nuts. Therefore, the main cuttingmember 10 and theminor cutting member 20 utilize thescrews 50 to move along the limitingslots - In operation, the main cutting
member 10 and theminor cutting member 20 both pivot aroundfirst pivot apertures arms 30 are both able to be forced opened. When the main cuttingmember 10 and the paired handles 31 of the two applyingarms 30 are forced to open around the first andsecond pivot apertures screws 50 passing through thesecond pivot apertures 33 of the applyingarm 30 are able to move along the respective limitingslots arms 30 are opened wider and wider, the major andminor cutting members tool end pawls teeth 35. Please refer toFIG. 5 andFIG. 6 . The separated tool ends 16, 26 can be used for cutting objects with an external force applied in opposite directions. Since thescrews 50 move along the limitingslots first pivot apertures third pivot apertures 41, the twosecond pivot apertures 33, and thefourth pivot apertures 42 provide multiple pivoting points, which distribute the applied strength. Moreover, when thehandles 31 are opened into a relatively large angle, the tool ends 16, 26 are only correspondingly opened across a relatively small angle, and therefore the application strength is more efficient. In addition, each of the major andminor cutting members arm 30, such that it is easy to operate and the application force is evenly distributed on both sides. - Please refer again to
FIG. 1 toFIG. 6 together withFIG. 7 . The tool ends 16, 26 can be arranged in two different combinations, as shown inFIG. 1 toFIG. 6 . One can provide a cutting edge while the other provides an anvil or pressing surface; alternatively, both cuttingportions FIG. 7 . - With the above-mentioned garden shears, the following benefits can be obtained: 1. The major and
minor cutting members arm 30; when a counterforce is generated because of the applied force, the counterforce is evenly distributed across the applyingarm 30 instead of being concentrated on a single side, which would otherwise create difficulties in operation. 2. Since thescrews 50 move along the limitingslots slots minor cutting members arm 30, such that it is easy to operate and the application force is evenly distributed on both sides. - Although the present invention has been explained in relation to its preferred embodiment, it is to be understood that many other possible modifications and variations can be made without departing from the spirit and scope of the invention as hereinafter claimed.
Claims (5)
1. A garden shears comprising a main cutting member, a minor cutting member, two applying arms, and two assembling members, all of which are assembled together by at least one nut and screw; wherein:
the main cutting member and the minor cutting member have corresponding shapes and overlap each other, the major and minor cutting members both having a first pivot aperture at a middle position and an extended section, an end of each extended sections bent up to form an L-shaped pawl including a first indentation, an arced limiting slot adjacent to each first pivot aperture formed above the extended section, and a tool end is formed at an opposite end of the major and minor cutting members;
each applying arm has a handle at a lower portion and an assembling portion at un upper portion, each assembling portion having a second pivot aperture at one end and a second indentation at another end, a top edge of the second indentation having driving teeth for engaging with the L-shaped pawl of the major and minor cutting members;
each assembling member has a third pivot aperture and two fourth pivot apertures corresponding to the first pivot apertures of the major and minor cutting members and the second pivot aperture of the applying arm;
wherein the first pivot apertures of the main cutting member and the minor cutting member are aligned with each other and with the second indentations of the two applying arms, the two assembling portions are respectively placed in the first indentations of the major and minor cutting members and the driving teeth are respectively engaged with the L-shaped pawls of the major and minor cutting members, each second pivot aperture of the two applying arms is respectively aligned with the limiting slots of the major and minor cutting members, the third pivot apertures of the two assembling members are aligned with the first pivot apertures the major and minor cutting members and the two assembling members cover the applying arms and the major and minor cutting members, a screw passing through the third pivot aperture of each of the two assembling members, and the first pivot apertures of the main and minor cutting members and locked by a nut, two screws respectively passing through the fourth pivot apertures of the assembling members, the limiting slots of the major and minor cutting members and the second pivot apertures of the applying arms and respectively locked by two nuts.
2. The garden shears as claimed in claim 1 , wherein the tool end of the main cutting member is a blade, and the tool end of the minor cutting member is an anvil.
3. The garden shears as claimed in claim 1 , wherein the tool end of the major and minor cutting members are blades.
4. The garden shears as claimed in claim 1 , wherein the third pivot aperture and the two fourth pivot apertures of the assembling members are arranged in a triangle.
5. The garden shears as claimed in claim 1 , wherein one of the third pivot apertures of each assembling member is an oval shape aperture.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/882,199 US8327549B2 (en) | 2010-09-15 | 2010-09-15 | Garden shears |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/882,199 US8327549B2 (en) | 2010-09-15 | 2010-09-15 | Garden shears |
Publications (2)
Publication Number | Publication Date |
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US20120060377A1 true US20120060377A1 (en) | 2012-03-15 |
US8327549B2 US8327549B2 (en) | 2012-12-11 |
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US12/882,199 Active 2031-07-19 US8327549B2 (en) | 2010-09-15 | 2010-09-15 | Garden shears |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110154669A1 (en) * | 2009-12-25 | 2011-06-30 | Hongbin Liu | Double strength pruners |
US20110154668A1 (en) * | 2009-12-25 | 2011-06-30 | Hongbin Liu | Double strength loppers |
US20110214293A1 (en) * | 2010-03-02 | 2011-09-08 | Yao-Chung Huang | Gardening Shears Having Energy-Saving Function |
US20140298661A1 (en) * | 2006-11-13 | 2014-10-09 | I.D.L. Tools International, LLC | Two stage force multiplier tin snips |
US20150237809A1 (en) * | 2014-02-26 | 2015-08-27 | Thomas Lin | Gardening shears capable of switching cutting modes |
US10182530B1 (en) * | 2017-07-21 | 2019-01-22 | Ho Cheng Garden Tools Co., Ltd. | Handheld gardening gear shears |
USD890584S1 (en) * | 2018-03-06 | 2020-07-21 | Fiskars Finland Oy Ab | Lopper |
USD890582S1 (en) | 2018-03-06 | 2020-07-21 | Fiskars Finland Oy Ab | Tool handle |
US11123887B2 (en) * | 2017-02-13 | 2021-09-21 | Knipex-Werk C. Gustav Putsch Kg | Shears |
US11122746B2 (en) * | 2016-05-23 | 2021-09-21 | Fiskars Finland Oy Ab | Geared hand tool |
US11324169B2 (en) * | 2020-08-19 | 2022-05-10 | Ho Cheng Garden Tools Co., Ltd. | Garden shears |
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US8590165B2 (en) * | 2010-11-30 | 2013-11-26 | Ho Cheng Garden Tools Co., Ltd. | Extended reach garden shears |
US8661691B2 (en) * | 2011-01-20 | 2014-03-04 | Ho Cheng Garden Tools Co., Ltd. | Garden shears |
US8584368B2 (en) * | 2011-12-14 | 2013-11-19 | Ho Cheng Garden Tool Co. Ltd. | Position restriction structure of scissors |
US9027253B2 (en) * | 2012-03-07 | 2015-05-12 | Allprofessional Mfg. Co., Ltd | Compound action snips |
US8950075B2 (en) | 2012-03-07 | 2015-02-10 | Allprofessional Mfg. Co., Ltd | Compound action snips |
US8679140B2 (en) * | 2012-05-30 | 2014-03-25 | Covidien Lp | Surgical clamping device with ratcheting grip lock |
US20140053413A1 (en) * | 2012-08-23 | 2014-02-27 | Ho Cheng Garden Tools Co., Ltd. | Garden shears |
US8881407B2 (en) * | 2013-02-07 | 2014-11-11 | Green Guard Industry Ltd. | Multifunctional pruning shears for one step cutting and step by step cutting |
EP3192352B1 (en) | 2013-11-20 | 2018-11-07 | Fiskars Brands, Inc. | Cutting tool with a variable pivot system |
US9408350B1 (en) * | 2015-03-19 | 2016-08-09 | Jiin Haur Industrial Co. Ltd. | Garden shears |
FR3034285B1 (en) * | 2015-04-01 | 2017-03-17 | Pellenc Sa | DEVICE FOR MAINTAINING A SWIVEL CUTTING BLADE |
US10212891B1 (en) * | 2018-02-13 | 2019-02-26 | Jiin Haur Industrial Co. Ltd. | Gardening shear |
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US6345446B1 (en) * | 2000-05-16 | 2002-02-12 | Shoei-Shin Huang | On gardening shears |
US20100162575A1 (en) * | 2008-12-31 | 2010-07-01 | Thomas Lin | Gardening shears capable of increasing shearing area |
US20100269357A1 (en) * | 2009-04-28 | 2010-10-28 | Su-Hua Shan | Labor-saving garden scissors |
US20110126415A1 (en) * | 2009-11-29 | 2011-06-02 | Ho Cheng Garden Tools Co., Ltd. | Garden shears |
US8225513B2 (en) * | 2010-03-02 | 2012-07-24 | Ho Cheng Garden Tools Co., Ltd. | Gardening shears having energy-saving function |
-
2010
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Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US1915404A (en) * | 1931-03-27 | 1933-06-27 | Gilbey M Clifton | Pliers |
US5544416A (en) * | 1995-03-21 | 1996-08-13 | Lin; Mao-Sen | Shears |
US5689888A (en) * | 1996-08-20 | 1997-11-25 | Fiskars Consumer Oy Ab | Variable force tool |
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Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140298661A1 (en) * | 2006-11-13 | 2014-10-09 | I.D.L. Tools International, LLC | Two stage force multiplier tin snips |
US9089978B2 (en) * | 2006-11-13 | 2015-07-28 | I.D.L. Tools International, LLC | Two stage force multiplier tin snips |
US20110154669A1 (en) * | 2009-12-25 | 2011-06-30 | Hongbin Liu | Double strength pruners |
US20110154668A1 (en) * | 2009-12-25 | 2011-06-30 | Hongbin Liu | Double strength loppers |
US20110214293A1 (en) * | 2010-03-02 | 2011-09-08 | Yao-Chung Huang | Gardening Shears Having Energy-Saving Function |
US8225513B2 (en) * | 2010-03-02 | 2012-07-24 | Ho Cheng Garden Tools Co., Ltd. | Gardening shears having energy-saving function |
US20150237809A1 (en) * | 2014-02-26 | 2015-08-27 | Thomas Lin | Gardening shears capable of switching cutting modes |
US9591808B2 (en) * | 2014-02-26 | 2017-03-14 | Thomas Lin | Gardening shears capable of switching cutting modes |
US11122746B2 (en) * | 2016-05-23 | 2021-09-21 | Fiskars Finland Oy Ab | Geared hand tool |
US11123887B2 (en) * | 2017-02-13 | 2021-09-21 | Knipex-Werk C. Gustav Putsch Kg | Shears |
RU2760144C2 (en) * | 2017-02-13 | 2021-11-22 | Книпекс-Верк К. Густав Пуч Кг | Scissors |
US20190021234A1 (en) * | 2017-07-21 | 2019-01-24 | Ho Cheng Garden Tools Co., Ltd. | Handheld Gardening Gear Shears |
US10182530B1 (en) * | 2017-07-21 | 2019-01-22 | Ho Cheng Garden Tools Co., Ltd. | Handheld gardening gear shears |
USD890584S1 (en) * | 2018-03-06 | 2020-07-21 | Fiskars Finland Oy Ab | Lopper |
USD890582S1 (en) | 2018-03-06 | 2020-07-21 | Fiskars Finland Oy Ab | Tool handle |
US11324169B2 (en) * | 2020-08-19 | 2022-05-10 | Ho Cheng Garden Tools Co., Ltd. | Garden shears |
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